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Ubuntu 22.04 LTS
Linux server 5.15.0-30-generic #31-Ubuntu SMP Thu May 5 10:00:34 UTC 2022
x86_64 x86_64 x86_64 GNU/Linux
zfs-2.1.2-1ubuntu3
zfs-kmod-2.1.2-1ubuntu3
[ 1249.508427] BUG: kernel NULL pointer dereference, address: 000000000000002a
[ 1249.508435] #PF: supervisor read access in kernel mode
[ 1249.508438] #PF: error_code(0x0000) - not-present page
[ 1249.508440] PGD 0 P4D 0
[ 1249.508444] Oops: 0000 [#1] SMP NOPTI
[ 1249.508447] CPU: 3 PID: 2119 Comm: txg_sync Tainted: P W O
5.15.0-30-generic #31-Ubuntu
[ 1249.508452] Hardware name: To Be Filled By O.E.M. To Be Filled By
O.E.M./AB350M Pro4, BIOS P5.90 07/03/2019
[ 1249.508455] RIP: 0010:rw_owner+0x0/0x10 [zfs]
[ 1249.508564] Code: 00 00 c3 0f 1f 80 00 00 00 00 65 48 8b 04 25 c0 fb 01 00
48 89 47 28 c3 66 90 48 c7 47 28 00 00 00 00 c3 0f 1f 80 00 00 00 00 <48> 8b 47
28 c3 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 e7
[ 1249.508571] RSP: 0018:ffffa8bec92b7c58 EFLAGS: 00010246
[ 1249.508576] RAX: 0000000000000000 RBX: ffff8cca7b162348 RCX: 0000000000000001
[ 1249.508580] RDX: 0000000000000000 RSI: ffffffffc1494df0 RDI: 0000000000000002
[ 1249.508583] RBP: ffffa8bec92b7c60 R08: ffff8cc62bfa4a80 R09: ffff8cc62bfa4a80
[ 1249.508587] R10: ffff8cc62bfa4a80 R11: 0000000000000000 R12: ffff8cca7b162280
[ 1249.508590] R13: 0000000000000009 R14: ffff8cca70f1ea30 R15: ffff8cc62bfa4a80
[ 1249.508594] FS: 0000000000000000(0000) GS:ffff8ccdfeac0000(0000)
knlGS:0000000000000000
[ 1249.508598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1249.508601] CR2: 000000000000002a CR3: 00000004c2b7e000 CR4: 00000000003506e0
[ 1249.508607] Call Trace:
[ 1249.508610] <TASK>
[ 1249.508613] ? RW_WRITE_HELD+0x9/0x20 [zfs]
[ 1249.508689] dmu_buf_will_dirty_impl+0x87/0x110 [zfs]
[ 1249.508786] dmu_buf_will_dirty+0x16/0x20 [zfs]
[ 1249.508869] space_map_write+0x3f/0x1a0 [zfs]
[ 1249.508970] metaslab_sync+0x60a/0x8b0 [zfs]
[ 1249.509066] ? __raw_spin_unlock+0x9/0x10 [zfs]
[ 1249.509182] vdev_sync+0x72/0x190 [zfs]
[ 1249.509281] spa_sync_iterate_to_convergence+0x14f/0x1e0 [zfs]
[ 1249.509388] spa_sync+0x2dc/0x5b0 [zfs]
[ 1249.509483] txg_sync_thread+0x266/0x2f0 [zfs]
[ 1249.509582] ? txg_dispatch_callbacks+0x100/0x100 [zfs]
[ 1249.509683] thread_generic_wrapper+0x64/0x70 [spl]
[ 1249.509695] ? __thread_exit+0x20/0x20 [spl]
[ 1249.509704] kthread+0x12a/0x150
[ 1249.509708] ? set_kthread_struct+0x50/0x50
[ 1249.509712] ret_from_fork+0x22/0x30
[ 1249.509717] </TASK>
[ 1249.509718] Modules linked in: wireguard curve25519_x86_64
libchacha20poly1305 chacha_x86_64 poly1305_x86_64 libblake2s blake2s_x86_64
libcurve25519_generic libchacha libblake2s_generic sctp ip6_udp_tunnel
udp_tunnel macvtap macvlan vhost_net vhost vhost_iotlb tap xt_nat veth
xt_conntrack xt_MASQUERADE nf_conntrack_netlink xfrm_user xfrm_algo xt_addrtype
br_netfilter ipt_REJECT nf_reject_ipv4 xt_tcpudp nft_compat nft_chain_nat
nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_counter nf_tables
libcrc32c nfnetlink bridge stp llc overlay intel_rapl_msr intel_rapl_common
amd64_edac edac_mce_amd zfs(PO) zunicode(PO) snd_hda_codec_realtek kvm_amd
zzstd(O) snd_hda_codec_generic zlua(O) snd_hda_codec_hdmi ledtrig_audio kvm
crct10dif_pclmul ghash_clmulni_intel zcommon(PO) snd_usb_audio aesni_intel
crypto_simd znvpair(PO) cryptd snd_usbmidi_lib zavl(PO) snd_hda_codec wmi_bmof
snd_rawmidi rapl k10temp efi_pstore nls_iso8859_1 snd_hda_core snd_seq_device
snd_hwdep icp(PO) mc snd_pcm spl(O)
[ 1249.509765] input_leds snd_timer snd joydev soundcore ccp mac_hid
sch_fq_codel nct6775 hwmon_vid parport_pc ppdev lp parport ip_tables x_tables
autofs4 hid_generic usbhid mpt3sas hid nvme uas raid_class usb_storage
gpio_amdpt r8169 crc32_pclmul xhci_pci scsi_transport_sas ahci i2c_piix4
realtek e1000e nvme_core libahci xhci_pci_renesas wmi gpio_generic [last
unloaded: snd_intel_sdw_acpi]
[ 1249.509806] CR2: 000000000000002a
[ 1249.509808] ---[ end trace 09588539e96f5ea2 ]---
[ 1250.063053] RIP: 0010:rw_owner+0x0/0x10 [zfs]
[ 1250.063198] Code: 00 00 c3 0f 1f 80 00 00 00 00 65 48 8b 04 25 c0 fb 01 00
48 89 47 28 c3 66 90 48 c7 47 28 00 00 00 00 c3 0f 1f 80 00 00 00 00 <48> 8b 47
28 c3 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 e7
[ 1250.063206] RSP: 0018:ffffa8bec92b7c58 EFLAGS: 00010246
[ 1250.063211] RAX: 0000000000000000 RBX: ffff8cca7b162348 RCX: 0000000000000001
[ 1250.063215] RDX: 0000000000000000 RSI: ffffffffc1494df0 RDI: 0000000000000002
[ 1250.063218] RBP: ffffa8bec92b7c60 R08: ffff8cc62bfa4a80 R09: ffff8cc62bfa4a80
[ 1250.063222] R10: ffff8cc62bfa4a80 R11: 0000000000000000 R12: ffff8cca7b162280
[ 1250.063225] R13: 0000000000000009 R14: ffff8cca70f1ea30 R15: ffff8cc62bfa4a80
[ 1250.063229] FS: 0000000000000000(0000) GS:ffff8ccdfeac0000(0000)
knlGS:0000000000000000
[ 1250.063234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1250.063237] CR2: 000000000000002a CR3: 00000004c2b7e000 CR4: 00000000003506e0
** Affects: zfs-linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment zfs
--
ZFS kernel null pointer dereference
https://bugs.launchpad.net/bugs/1973463
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